Quick Answer
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Modal offers usage-based pricing from $0.000002–$0.002 per GPU/hour as of September 2026 and custom pricing for larger requirements. Plans: Starter (usage-based), and Team at $250/GPU/hour. Custom pricing is available on request. Usage cost depends on the selected model and generation volume.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: No free tier available

Modal offers 3 pricing tiers: Starter, Team, Enterprise. Paid plans include Starter (usage-based), Team at $250/month. The Team plan is startups and growing teams needing higher concurrency, custom domains, and collaboration features.

Last verified: | Sources: 4 pricing pages and reviews
Know Before You Buy — Try Modal Free

Modal lists $0-$250/GPU/hour, but hidden costs like implementation and support add to the total as of September 2026. Key hidden costs: gpu compute costs billed on top of plan fee, diy configuration overhead and cold start latency, diy infrastructure overhead: vllm configuration and cold starts. Verified from 4 sources by CostBench.

Hidden Costs Breakdown

1

GPU Compute Costs Billed on Top of Plan Fee

high overage

Modal's plan fees ($0 Starter, $250/month Team) are platform access charges only. Actual GPU compute is billed per-hour on top, and costs escalate rapidly with production usage. Users report baseline GPU costs of ~$2/hr per GPU, H100s at ~$4.5/hr, and large model deployments (100B+ parameter models) reaching ~$72/hr.

hn

Pricing is about $2/hr per GPU (as a baseline of the costs). Long story short, things get VERY expensive quickly.

hn

On Modal, I think should cost about $72/hr to serve Kimi K2 https://modal.com/pricing Once that's running it can serve the needs of many users/clients simultaneously.

2

DIY Configuration Overhead and Cold Start Latency

medium implementation

Modal's serverless model requires users to configure their own inference stacks (e.g., vLLM) and manage cold start behavior when containers spin up. This adds significant engineering time compared to always-on GPU providers, and cold starts introduce latency spikes that can affect production workloads.

hn

every inference provider is either fast-but-expensive (Together, Fireworks — you pay for always-on GPUs) or cheap-but-DIY (Modal, RunPod — you configure vLLM yourself and deal with slow cold starts).

3

DIY Infrastructure Overhead: vLLM Configuration and Cold Starts

medium implementation

Modal is positioned as a low-cost but self-managed option. Users must configure vLLM themselves and manage slow cold starts — unlike fully managed inference providers. This operational burden adds engineering time and latency costs that are not reflected in the per-GPU hourly rate.

hn

every inference provider is either fast-but-expensive (Together, Fireworks — you pay for always-on GPUs) or cheap-but-DIY (Modal, RunPod — you configure vLLM yourself and deal with slow cold starts)

4

Billing Cycle Spend Limits Blocking Service Access

high overage

Users report that Modal's billing cycle spend limits can be triggered unexpectedly at very low spend amounts, immediately cutting off access to the service. Support is described as unresponsive or bot-only, leaving users unable to resolve the block quickly.

trustpilot

Took credit card number, and after payment is done, they spam me with "billing cycle spend limit reached", when i spent 0.01$. Support doesnt exist, Slack is full of just bot replies, 0 help.

5

Account Locked When Outstanding Balance Exists

medium support

Users report being unable to delete or close their Modal account if an outstanding balance exists. Support requires the balance to be cleared first, creating a situation where billing can continue in a loop while users are unable to exit.

trustpilot

They keep charging me and I cannot even delete my account without support. Support always says there is outstanding amount we cannot delete your account. So take the money and stop this vicious circle!

6

Workload Preemption Disrupting Running Jobs

medium overage

Users report that Modal's preemption behavior — where running workloads can be interrupted — is a significant operational concern, adding unpredictability to both cost and workflow reliability for production use cases.

trustpilot

Well designed, but I had a billing issue which prevents me from using the service any further. Also, their preemption is super annoying.

7

International Payment Verification Friction

medium support

International users report repeated failures with Modal's payment verification system, requiring multiple card registration attempts over days before being able to use the service.

trustpilot

This ridiculous site uses a payment verification system that's utterly ridiculous and simply unsuitable for international payments. I've registered loads of cards to verify my account and spent days on end trying to switch cards due to verification failures...

Frequently Asked Questions

01 What hidden costs should I budget for with Modal?

Beyond the license fee, budget for: GPU Compute Costs Billed on Top of Plan Fee ($2-$72/hr per GPU); DIY Configuration Overhead and Cold Start Latency (5-15% of license costs); DIY Infrastructure Overhead: vLLM Configuration and Cold Starts (10-25% of license costs); Billing Cycle Spend Limits Blocking Service Access (5-15% of license costs); Account Locked When Outstanding Balance Exists (5-15% of license costs); Workload Preemption Disrupting Running Jobs (5-15% of license costs); International Payment Verification Friction (5-10% of license costs). Exact totals depend on your deployment size and negotiated terms.

02 Does Modal charge for implementation?

Modal implementation is not included in the license cost. Modal's serverless model requires users to configure their own inference stacks (e.g. Estimated impact: 5-15% of license costs.

03 How much does Modal support cost?

Users report being unable to delete or close their Modal account if an outstanding balance exists. Support requires the balance to be cleared first, creating a situation where billing can continue in a loop while users are unable to exit. Estimated impact: 5-15% of license costs.

04 Are there overage or storage costs with Modal?

Modal's plan fees ($0 Starter, $250/month Team) are platform access charges only. Actual GPU compute is billed per-hour on top, and costs escalate rapidly with production usage. Estimated impact: $2-$72/hr per GPU.

05 What add-ons cost extra with Modal?

Add-on pricing for Modal varies by feature. The sourced cost breakdown above lists any verified add-on costs we have.

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